Answer:
386,800 units
Step-by-step explanation:
Note that, Richards Corporation uses the weighted-average method of process costing.
This method focuses on units completed and units in ending work in process.
therefore,
Equivalent units calculation
Materials = 372,000 x 100 % + 37,000 x 40 % = 386,800 units
Therefore, the cost per equivalent unit of materials is 386,800 units.